<?php

/**
 * Created by PhpStorm.
 * User: TC
 * Date: 2016/1/16
 * Time: 11:22
 * 常量
 */
class Constant
{
  const ACTION_FIELD = 'action';
  const ID_FIELD = 'id';
  const TYPE_FIELD = 'type';
  const PAGE_FIELD = 'page';
  const WEIGHT_FIELD = 'weight';

}